CN106160304B - A kind of starter and its seal block - Google Patents
A kind of starter and its seal block Download PDFInfo
- Publication number
- CN106160304B CN106160304B CN201510175113.XA CN201510175113A CN106160304B CN 106160304 B CN106160304 B CN 106160304B CN 201510175113 A CN201510175113 A CN 201510175113A CN 106160304 B CN106160304 B CN 106160304B
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- mating surface
- sealing
- rubber strip
- rubber
- seal block
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Abstract
A kind of starter and its seal block, the starter imparts power to driving pinion by the rotation of motor makes engine ignition, the starter includes being arranged in drive end bearing bracket, seal block between electromagnetic switch and field frame assembly, the seal block includes ontology and the support portion and sealing that are arranged on the ontology, the sealing includes the first mating surface, second mating surface, third mating surface, 4th mating surface and the 5th mating surface, first mating surface and the 4th mating surface are assembled with drive end bearing bracket sealing, second mating surface is assembled with electromagnetic switch sealing, the third mating surface and the 5th mating surface are assembled with field frame assembly sealing, first mating surface, 4th mating surface, the rubber fin for enhancing sealing is provided in third mating surface and/or the 5th mating surface.
Description
Technical field
The present invention relates to a kind of starter of engine, especially a kind of rotation by motor imparts power to driving
Pinion gear makes the starter and its seal block of engine ignition.
Background technology
It is the starter sectional view of the prior art referring to Fig. 1-Fig. 3, Fig. 1, Fig. 2 is the rubber cushion blocks installation position of the prior art
Schematic diagram is set, Fig. 3 is the rubber cushion blocks structural schematic diagram of the prior art.Starter as shown in Figure 1, including motor 113, electromagnetism
Switch 109, rubber cushion blocks 108, seat 105 of shipping and reselling on another market, shift fork 104, deceleration mechanism, one-way mechanism 103, the gear shaft on one-way mechanism
102, pinion gear 101 engaged with engine ring gear 1 etc., when there is start request, electromagnetic switch 109 pushes shift fork 104 to drive
Gear shaft 102 releases pinion gear 101, and being engaged with engine ring gear 1 makes engine ignition, however the rubber cushion blocks of the prior art
108 sealing effects are poor, cause under relatively rugged environment starter will wetly, water, sundries enter inside starter, this
To lead to serious failure, since the entrance of foreign matter causes gear shaft 102 that cannot successfully be pushed out, clamping stagnation in inside and
Engine can not be started；External water etc. will lead to the corrosion of internal mechanical structure into starter, such as deceleration transmission system, list
To the axis of mechanism, transmission torque, the resistance of starter will be increased, starter cannot rotate when serious, in turn result in complete machine mistake
Effect.The sealing effect of rubber cushion blocks 108 is most important in the presence of a harsh environment, and sealing effect quality is determined by its characteristic, wherein
As shown in Figure 1, front supports for seat 105 of shipping and reselling on another market, assembling process fills the installation site of rubber cushion blocks 108 in drive end bearing bracket 114
Enter inner body, including then rubber cushion blocks 108 are packed into drive end bearing bracket by ship and resell on another market seat 105 or the like parts of other designs
In 114, rubber cushion blocks 108 and drive end bearing bracket 114 assemble contact position as shown in Fig. 2, the first face 1141 in drive end bearing bracket 114 and the
Two faces 1142 are contacted with the first fitting surface 1081 of the rubber cushion blocks 108 in Fig. 3 and the 4th fitting surface 1084 respectively, wherein front end
Lid 114 and rubber cushion blocks 108 are left and right sides contact surface will meet assembling since contact surface is longer larger, in Fig. 3
First fitting surface 1081 and the 4th fitting surface 1084 will be matched with the first face 1141 of drive end bearing bracket 114 and the second face 1142 for gap
It closes or transition cooperation, interference volume conference causes assembly difficult, after the completion of the assembly of this rubber cushion blocks 108, assemble electromagnetic switch
109, the mounting surface 1091 of electromagnetic switch 109 is contacted with the second fitting surface 1082 of rubber cushion blocks in Fig. 3 108, and then assembly is fixed
Sub- assembly, the wherein end face of stator cage 115, seal stator circle 116 respectively with the 5th fitting surface 1085 of rubber cushion blocks 108 and
Third fitting surface 1083 is interference fitted, this elastic conjunction will be such that the axial dimension of rubber cushion blocks 108 reduces, and volume can be to radial direction
Expansion, and then make 1,084 two faces of the first fitting surface 1081 and the 4th fitting surface and the drive end bearing bracket 141 pairs of 108 bilateral of rubber cushion blocks
First face 1141 of side and 1,142 two, the second face face pressure are tight, and reach sealing effect, however such sealing means presence is very big
Defect, axial interference makes rubber cushion blocks 108 be not enough to form good air-proof condition, sealing contact surface to the amount of radial dilatation
Product is big, and radial interference is small, and due to having assembly is convenient to require, this rubber cushion blocks 108 cannot design big interference volume, therefore can not
Ensure sealing effect, this makes starter in bad environments or the service life for having the when of paddling and require drastically to reduce starter.
Invention content
The technical problem to be solved by the present invention is to the drawbacks described above for the prior art, a kind of starter and its close is provided
Packing block makes starting function even paddle in the presence of a harsh environment under environment still normal use, to extend its service life.
To achieve the goals above, the present invention provides a kind of seal block of starter, which passes through motor
Rotation, which imparts power to driving pinion, makes engine ignition, which is arranged drive end bearing bracket, electromagnetism in the starter
Between switch and field frame assembly, wherein the seal block includes：Ontology and the support portion and sealing being arranged on the ontology,
The sealing includes the first mating surface, the second mating surface, third mating surface, the 4th mating surface and the 5th mating surface, this first is matched
Conjunction face and the 4th mating surface coordinate with drive end bearing bracket sealing, which coordinates with electromagnetic switch sealing, this
Three mating surfaces and the 5th mating surface coordinate with field frame assembly sealing, first mating surface, the 4th mating surface, third mating surface
And/or the 5th be provided with rubber fin for enhancing leakproofness in mating surface；First mating surface coordinates with the described 4th
Face respectively includes two planes for being symmetrically disposed on the ontology both sides, and the rubber fin is matched including at least one along described first
The rubber strip that conjunction face, the 4th mating surface and the third mating surface are extended continuously；The rubber fin includes matching along described first
The first rubber strip and the second rubber strip that conjunction face, the 4th mating surface and the third mating surface are extended continuously, first rubber
Item and second rubber strip are parallel to each other；The rubber fin further includes third rubber strip, and the third rubber strip is described in
First mating surface, the 4th mating surface and the 5th mating surface are extended continuously, and the third rubber strip is parallel to first rubber strip
With the second rubber strip；It is additionally provided with multiple reinforcing ribs between first rubber strip, the second rubber strip and the third rubber strip；
The reinforcing rib is vertically connected between first rubber strip, the second rubber strip and the third rubber strip.
Above-mentioned seal block, wherein the support portion and the sealing are integrally formed part.
Above-mentioned seal block, wherein the support portion is nylon material part, and the sealing is rubber material part, institute
Support portion is stated in the mounting hole of the sealing.
Above-mentioned seal block, wherein setting is set corresponding to the sealing ring of the electromagnetic switch in second mating surface
It is equipped with seal area.
In order to which above-mentioned purpose is better achieved, the present invention also provides a kind of starters being equipped with above-mentioned seal block.
The technical effects of the invention are that：
The seal block of the present invention forms the rubber strip of continuous closed loop between starter inner cavity and the external world, has good
Sealing effect, ensure that starter will not intake in immersion, the interference volume of seal block can be arranged as required to,
The requirement for meeting sealing, rubber strip deformation when assembly on seal block, has deformation space, does not interfere with assembly, dress can be improved
The craftsmanship matched meets high-grade sealing function and matching requirements, and starter service life under harsh environment is made to be extended.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is the starter sectional view of the prior art；
Fig. 2 is the rubber cushion blocks schematic view of the mounting position of the prior art；
Fig. 3 is the rubber cushion blocks structural schematic diagram of the prior art；
Fig. 4 is the starter sectional view of one embodiment of the invention；
Fig. 5 is the seal block structural schematic diagram of one embodiment of the invention；
Fig. 6 is the A direction views of Fig. 5；
Fig. 7 is the seal block structural schematic diagram of another embodiment of the present invention.
Wherein, reference numeral
The prior art
1 engine ring gear
101 pinion gears
102 gear shafts
103 one-way mechanisms
104 shift forks
105 ship and resell on another market seat
108 rubber cushion blocks
1081 first fitting surfaces
1082 second fitting surfaces
1083 third fitting surfaces
1084 the 4th fitting surfaces
1085 the 5th fitting surfaces
109 electromagnetic switch
1091 mounting surfaces
113 motors
114 drive end bearing brackets
1141 first faces
1142 second faces
115 stator cages
116 seal stator circles
The present invention
10 drive end bearing brackets
11 first faces
12 second faces
20 electromagnetic switch
21 sealing rings
30 stators
31 sealing rings
40 seal blocks
41 ontologies
42 support portions
43 sealings
431 first mating surfaces
432 second mating surfaces
433 third mating surfaces
434 the 4th mating surfaces
435 the 5th mating surfaces
436 rubber fins
4361 first rubber strips
4362 second rubber strips
4363 third rubber strips
437 reinforcing ribs
438 mounting holes
439 seal areas
Specific implementation mode
The structural principle and operation principle of the present invention are described in detail below in conjunction with the accompanying drawings：
It is the starter sectional view of one embodiment of the invention referring to Fig. 4, Fig. 4.The starter of the present invention, passes through the rotation of motor
Turn to impart power to driving pinion and make engine ignition, there is a seal block 40, be arranged in the front end of the starter
Between lid 10, electromagnetic switch 20 and stator 30, in addition to the seal block 40, other parts and the prior art shown in FIG. 1
The all sames such as mutual alignment relation, installation relation and its function between the composition of starter, structure, all parts, herein not
It repeats, only the seal block 40 of the present invention is described in detail below.
Referring to Fig. 5, Fig. 6, Fig. 5 is 40 structural schematic diagram of seal block of one embodiment of the invention, the A that Fig. 6 is Fig. 5 to regarding
Figure.The seal block 40 of the present invention, including：Ontology 41 and the support portion 42 being arranged on the ontology 41 and sealing 43, this is close
Envelope portion 43 includes the first mating surface 431, the second mating surface 432, third mating surface 433, the 4th mating surface 434 and the 5th mating surface
435, first mating surface 431 and the 4th mating surface 434 coordinate with the sealing of the drive end bearing bracket 10, second mating surface 432 and institute
It states the sealing cooperation of electromagnetic switch 20, the third mating surface 433 and the 5th mating surface 435 with the sealing of the stator 30 to coordinate, this
It is provided in one mating surface 431, the 4th mating surface 434, third mating surface 433 and/or the 5th mating surface 435 for enhancing sealing
The rubber fin 436 of the protrusion surface of property.
Wherein, first mating surface 431 respectively includes being symmetrically disposed on the ontology 41 with the 4th mating surface 434
Two planes of both sides, the rubber fin 436 include at least one along first mating surface 431, the 4th mating surface 434 and institute
State the rubber strip that third mating surface 433 is extended continuously.It is continuous elastic sealing strip that the rubber strip, which is from initiating terminal to ending end,.
The initiating terminal of elastic sealing strip connects with the sealing strip of electromagnetic switch 20, the sealing ring at the ending end and stator 30 of elastic sealing strip
31 connect, and ensure to locate reach sealing effect to from the endpoint at ending end and continuously from initiating terminal.Between a plurality of elastic sealing strip
Substantially at parallelly distribute on, a plurality of closed circuit can be formed, multi-sealed guarantee is formed, after the failure of outer layer sealing strip, other
Parallel sealing strip can also complete sealing function.
In the present embodiment, the rubber fin 436 includes along first mating surface 431, the 4th mating surface 434 and described
The first rubber strip 4361 and the second rubber strip 4362 that third mating surface 433 is extended continuously, first rubber strip 4361 and institute
It is parallel to each other to state the second rubber strip 4362.Alternatively, the rubber fin 436 further includes third rubber strip 4363, the third rubber
Adhesive tape 4363 is extended continuously along first mating surface 431, the 4th mating surface 434 and the 5th mating surface 435, the third rubber
Item 4363 is parallel to first rubber strip, 4361 and second rubber strip 4362.Wherein, setting pair in second mating surface 432
The sealing ring 21 of electromagnetic switch 20 described in Ying Yu is provided with seal area 439.
In the present embodiment, between first rubber strip 4361, the second rubber strip 4362 and the third rubber strip 4363
It is additionally provided with multiple reinforcing ribs 437.Wherein, 437 preferred vertical of the reinforcing rib is connected to first rubber strip 4361, second
Between rubber strip 4362 and the third rubber strip 4363.It is arranged between these rubber strips therewith substantially at the elasticity of vertical direction
Sealing strip is allowed to form multiple closed small spaces as reinforcing rib 437, can in the case where there is partially sealed failure sundries
Or liquid is limited in the closed small space in part, and it is unlikely to generate complete seal failure, it ensure that the effect of sealing, in addition
The intensity of rubber strip is increased simultaneously, and improves its manufacturability.
It is 40 structural schematic diagram of seal block of another embodiment of the present invention referring to Fig. 7, Fig. 7.In the embodiment, the branch
Support part 42 is nylon material part, and the sealing 43 is rubber material part, and the support portion 42 is mounted on the sealing 43
In mounting hole 438.Alternatively, the support portion 42 and the sealing 43 or integrated molding part.
The seal block 40 of the present invention is mounted in drive end bearing bracket 10, and the first mating surface 431 and the 4th of seal block 40 is matched
The sealing contact position of conjunction face 434 and drive end bearing bracket 10 is respectively the first face 11 and the second face 12, the third cooperation of seal block 40
Face 433 and the 5th mating surface 435 are contacted with stator 30, the sealing of the second mating surface 432 and electromagnetic switch 20 of seal block 40
21 contact of circle, should all there be very reliable protection in the above-mentioned position that these should be sealed.According to the seal block 40 installation and
The position of sealing, judge may the position of seal failure be：What seal block 40 and the sealing ring of electromagnetic switch 20 21 contacted
Second mating surface 432；First mating surface 431 and the 4th of seal block 40 and the assembly of 10 first face 11 of drive end bearing bracket and the second face 12
Mating surface 434；And the third mating surface 433 and the 5th mating surface 435 that seal block 40 is installed with stator 30.The present invention is upper
The rubber fin 436 for stating the position setting closed loop of possible seal failure, specifically, what the seal block 40 was contacted with drive end bearing bracket 10
Position is inside and outside separated by protecgulum, which is sealed, and can solve the sealing problem of protecgulum contact position, close
Sealing, seal block are generally completed in packing block 40 and the position of 20 contact position of electromagnetic switch by the sealing ring 21 in electromagnetic switch 20
Rubber strip on 40 connects with the sealing ring 21 of electromagnetic switch 20 to ensure sealing effect.The third mating surface of seal block 40
433 and the 5th mating surface 435 contacted with the sealing ring 31 on stator 30, which is sealed, and can complete stator 30 and close
Sealing between packing block 40, and it is bordered on part and is also required to seal, such as one end with 10 contact surface of drive end bearing bracket on seal block 40
With one end at the sealing ring 31 with stator 30, boundary also needs to seal, therefore the rubber strip on seal block 40 is preferably edge
The rubber strip for the continuous semiclosed loop that each sealing surface extends is completed with being fully sealed between the part that continuously contacts
Sealing between motivation inner cavity and the external world, to ensure that starter will not intake in immersion.Wherein, which is bent
Direction be that seal block 40 contacts the region sealed with other parts, be preferably provided in the present embodiment the first rubber strip 4361,
Second rubber strip 4362 and third rubber strip 4363, the preferably starting point of the first rubber strip 4361 are located in seal area 439, with electricity
The correspondence of sealing ring 21 of magnetic switch 20 connects, and ensures sealing effect.
Reinforcing rib can be set between wherein the first rubber strip 4361, the second rubber strip 4362 and/or third rubber strip 4363
437,439 domain of each seal area can be made to form 439 domain of individual seal area, to prevent water from further permeating, each rubber also can be improved
The craftsmanship of item can also improve the intensity of each rubber strip.First rubber strip 4361, the second rubber strip 4362 and/or third rubber
Adhesive tape 4363 can be arranged as required to the interference volume of rubber seal, meet the requirement of sealing, the first rubber strip 4361, when assembly
Two rubber strips 4362 and/or third rubber strip 4363 deform, and have deformation space, do not interfere with assembling.
The seal block 40 can be rubber material part, setting and the extraneous rubber strip for closed loop sealing, the seal block
40 can also be made of two kinds of materials, and the support portion 42 to play a supportive role may be selected to be not compressed material, and sealing 43 is preferable
Using rubber material, the forming that this two kinds of materials can be integrated can also make two parts and realize same function by assembling.
As shown in fig. 7, being wherein to improve its intensity, support portion 42 can be close using the good material of nylon material or other support performances
43 preferred rubber material of envelope portion, makes it have more excellent sealing performance, wherein shown in Fig. 7 can also be double materials of other forms
Expect structure, meets the structure that rubber strip is arranged in sealing 43.The hardness of support portion 42 or elastic small material and sealing
43 elastic good material can adjust the distribution of material according to its support function, sealing function and assembling function, meet branch
It can make elastic material is more arranged with elastic sealing strip adjoining position while support function, sealing function and meet its assembling.
The present invention can meet high-grade sealing function and meet assembling, extend starter and use the longevity under harsh environment
Life.The ontology 41 of its seal block 40 and 10 clearance fit of drive end bearing bracket, rubber fin 436 are interference fitted with drive end bearing bracket 10.Rubber
The problems such as glue fin 436 can be arranged decrement, not had assembly by seal request interferes, and sealing effect is more preferable.Rubber strip is needing
The position of sealing is in sequential like so that the outside of starter and the inside of starter are completely separated, and rubber strip can be single
It can be a plurality of, a plurality of less parallel or parallel, form multilayer proofing so that in the feelings of outermost layer rubber strip seal failure
Under condition, internal layer rubber strip still can block water or sundries, and can also have integrally formed vertical seal item conduct between rubber strip
Reinforcing rib 437 so that many individually small seal areas 439 are divided by 439 domain of seal area, even if having leakage in portion
In the case of water, blocking water is can continue to further to spreading inside starter, increases the effect of waterproof.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (5)
1. a kind of seal block of starter, which imparts power to driving pinion by the rotation of motor makes to start
Machine is lighted a fire, which is arranged between the drive end bearing bracket in the starter, electromagnetic switch and field frame assembly, which is characterized in that should
Seal block includes：Ontology and the support portion and sealing being arranged on the ontology, the sealing include the first mating surface, second
Mating surface, third mating surface, the 4th mating surface and the 5th mating surface, first mating surface and the 4th mating surface and the drive end bearing bracket
Sealing cooperation, the sealing of second mating surface and the electromagnetic switch coordinate, the third mating surface and the 5th mating surface with it is described fixed
Sub- assembly sealing coordinates, and is provided with and is used in first mating surface, the 4th mating surface, third mating surface and/or the 5th mating surface
Enhance the rubber fin of leakproofness；First mating surface respectively includes being symmetrically disposed on the ontology with the 4th mating surface
Two planes of both sides, the rubber fin are matched including at least one along first mating surface, the 4th mating surface and the third
The rubber strip that conjunction face is extended continuously；The rubber fin includes matching along first mating surface, the 4th mating surface and the third
The first rubber strip and the second rubber strip that conjunction face is extended continuously, first rubber strip and second rubber strip are parallel to each other；
The rubber fin further includes third rubber strip, and the third rubber strip is along first mating surface, the 4th mating surface and the 5th
Mating surface is extended continuously, and the third rubber strip is parallel to first rubber strip and the second rubber strip；First rubber strip,
It is additionally provided with multiple reinforcing ribs between second rubber strip and the third rubber strip；The reinforcing rib is vertically connected at described first
Between rubber strip, the second rubber strip and the third rubber strip.
2. seal block as described in claim 1, which is characterized in that the support portion is integrally formed with the sealing
Part.
3. seal block as described in claim 1, which is characterized in that the support portion is nylon material part, the sealing
For rubber material part, the support portion is mounted in the mounting hole of the sealing.
4. seal block as described in claim 1, which is characterized in that correspond to the electromagnetic switch in second mating surface
Sealing ring be provided with seal area.
5. a kind of starter being equipped with the seal block described in any one of the claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175113.XA CN106160304B (en) | 2015-04-14 | 2015-04-14 | A kind of starter and its seal block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175113.XA CN106160304B (en) | 2015-04-14 | 2015-04-14 | A kind of starter and its seal block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106160304A CN106160304A (en) | 2016-11-23 |
| CN106160304B true CN106160304B (en) | 2018-08-03 |
Family
ID=57336469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510175113.XA Active CN106160304B (en) | 2015-04-14 | 2015-04-14 | A kind of starter and its seal block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160304B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424487B (en) * | 2017-08-30 | 2024-03-08 | 北京佩特来电器有限公司 | Waterproof sealing structure for starter and starter with same |
| CN110474489B (en) * | 2019-08-20 | 2024-07-16 | 浙江新特立汽车电器有限公司 | Starter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202468986U (en) * | 2012-03-01 | 2012-10-03 | 东风汽车零部件(集团)有限公司 | Rubber sealing gasket for automotive starter |
| CN204497888U (en) * | 2015-04-14 | 2015-07-22 | 北京佩特来电器有限公司 | A kind of starter and seal block thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6032865B2 (en) * | 2010-11-30 | 2016-11-30 | スリーエム イノベイティブ プロパティズ カンパニー | Seal member |
-
2015
- 2015-04-14 CN CN201510175113.XA patent/CN106160304B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202468986U (en) * | 2012-03-01 | 2012-10-03 | 东风汽车零部件(集团)有限公司 | Rubber sealing gasket for automotive starter |
| CN204497888U (en) * | 2015-04-14 | 2015-07-22 | 北京佩特来电器有限公司 | A kind of starter and seal block thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106160304A (en) | 2016-11-23 |
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